| By: |
THEN Subst' (f(i) = (n, n+1)(i)) 0 THEN EasyHyp THEN Subst' (f(j) = (n, n+1)(j)) 0 THEN EasyHyp THEN Unfold `flip` 0 THEN Reduce 0 THEN AutoBoolCase (i= THEN MoveToConcl -1 THEN AutoBoolCase (i= THEN MoveToConcl -1 THEN AutoBoolCase (j= |
| 1 |
12. j = n+1 | 1 step |
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